Ethyl isocyanate

Modify Date: 2025-08-21 19:14:31

Ethyl isocyanate structure	Common Name	Ethyl isocyanate
	CAS Number	109-90-0	Molecular Weight	71.078
	Density	0.9±0.1 g/cm3	Boiling Point	60.0±3.0 °C at 760 mmHg
	Molecular Formula	C₃H₅NO	Melting Point	<-50
	MSDS	Chinese USA	Flash Point	-6.7±0.0 °C
	Symbol	GHS02, GHS06, GHS08	Signal Word	Danger

Name	ethyl isocyanate
Synonym	More Synonyms

Density	0.9±0.1 g/cm3
Boiling Point	60.0±3.0 °C at 760 mmHg
Melting Point	<-50
Molecular Formula	C₃H₅NO
Molecular Weight	71.078
Flash Point	-6.7±0.0 °C
Exact Mass	71.037117
PSA	29.43000
LogP	1.36
Vapour Pressure	209.5±0.1 mmHg at 25°C
Index of Refraction	1.410
Water Solubility	Insoluble

Ethyl isocyanate MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NQ8825000

CHEMICAL NAME :: Isocyanic acid, ethyl ester

CAS REGISTRY NUMBER :: 109-90-0

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C3-H5-N-O

MOLECULAR WEIGHT :: 71.09

WISWESSER LINE NOTATION :: OCN2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 230 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 240 mg/m3/6H

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Behavioral - convulsions or effect on seizure threshold

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 50 ug/plate

REFERENCE :: ABCHA6 Agricultural and Biological Chemistry. (Maruzen Co. Ltd., POB 5050, Tokyo International, Tokyo 100-31, Japan) V.25- 1961- Volume(issue)/page/year: 44,3017,1980

Symbol	GHS02, GHS06, GHS08
Signal Word	Danger
Hazard Statements	H225-H301-H312 + H332-H315-H319-H334-H335
Precautionary Statements	P210-P261-P280-P301 + P310-P305 + P351 + P338-P342 + P311
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
Hazard Codes	F:Flammable;T:Toxic;
Risk Phrases	R11;R20/21;R25;R36/37/38;R42
Safety Phrases	S16-S26-S36/37/39-S45
RIDADR	UN 2481 3/PG 1
WGK Germany	3
RTECS	NQ8825000
Packaging Group	I
Hazard Class	3.1
HS Code	29291090

Precursor 9
CAS#:41891-13-8 N-ethylcarbamoy... CAS#:32315-10-9 Triphosgene CAS#:75-04-7 Ethylamine CAS#:111-27-3 1-Hexanol
CAS#:542-85-8 Isothiocyanatoethane CAS#:6135-31-5 Methyl Ethylcar... CAS#:19265-06-6 ethyl (chlorofo... CAS#:61031-53-6 3-ethyl-4-hydro...
CAS#:625-52-5 Ethylurea
DownStream 10
CAS#:10473-64-0 1,1-diphenylpro... CAS#:14467-74-4 S-phenyl N-ethy... CAS#:1467-23-8 N-[(Ethylamino)... CAS#:19188-90-0 1-Naphthalenyl ...
CAS#:21823-91-6 diethyl 2-(ethy... CAS#:18168-01-9 3-ethyl-1,1-dip... CAS#:22534-71-0 N-acetylbutanamide CAS#:19006-59-8 1,1,3-triethylurea
CAS#:10544-50-0 cyclooctasulfur CAS#:103526-22-3 3,5,6-triethyl-...

HS Code	2929109000
Summary	2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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Isocyanatoethane

MFCD00002042

Ethyl isocyanate

1-Isocyanatoethane

ethyl-isocyanate

EINECS 203-717-9

Ethane, isocyanato-

ethane,isocyanato

Ethylisocyanate

isocyanato-ethan

Isocyanic Acid Ethyl Ester

C2H5NCO

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China
Product Name: Ethyl isocyanate
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China
Product Name: Ethyl isocyanate
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Ethyl isocyanate
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: Ethyl isocyanate
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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Ethyl isocyanate

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

Safety Information

Synthetic Route

Precursor & DownStream

Customs

Articles7

Synonyms

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